Collapsible-tube closure



' M21 294 March 1927 E. c. vm VALKENBURG I COLLAPSIBLE TUBE CLOSURE I Filed Dec. 24. 192':

. INVENTOR.

' EARLUNA VALKENBURB BY I %\m ,h w

A TTORNEY.

Patented Mar. 15, 1927. 395239294 orrica.

EARL C. VAN VALKENBUIRG, F HOLYOKE, MASSACHUSETTS.

COLLAPSIBLE-IUBE CLOSURE.

' Application filed December 24, 1923. Serial No. 682,576.

This .invention relates to improvements in ried by the closure member is extended into collapsible tube closures and its leading obthe body of the guide so as to retain the cloject is to provide a collapsible tube closure sure member for limited sliding movement so constructed that it will act not merely across the orifice 8...

to close the discharge orifice of the tube but The limit of such movement is controlled (i0 to sever the extruded material by the operaby the length of the slot 17, so that in its tion of closing the orifice. open position the closure member 12 would 'lVith the above and other objects in view entirely clear the orifice 8. When the clothe invention relates to certain new and sure member'is shifted across the orifice 8 useful constructions, combinations and ar from its'open position to its closed position, 65 rangeinents in parts, olearl described in the the strip or ribbon of material exuded from following specification and fully illustrated the collapsible tube will be cut oil by the in the accompanying drawings'in which: closure member and the orifice 8 will be Fig. l is a side elevation of a collapsible closed at the same time. Due to the snug 1.; tube constructed in accordance with my in fitting engagement of the closure member 12 70 vention. with the guide the orifice will be snugly Fig. 2 is a top plan view thereof, showing closed when the closure is positioned over the closure in closed position. theorifice. I

Fig. 3 is a similar view showing the 010- In Figs. 5 and 61 show a modified form sure in open position. wherein the top wall 20 of the closure is 75 ig. 4 is a side elevation showing the formed with an integral stop 21 which may closure in the cutting ofi position.- be stamped therefrom or drawn from the Fig. 5 is a detail vertical transverse sccmetal of which the closure is composed. tional view of a modified form. c This stop 21 is designed to reciprocate in a Fig. 6 is a vertical longitudinal sectional groove 22 formed in the guide 23. f'i view thereof. The closure is provided with side walls Referring to the accompanying drawings and 24", the side wall 24' being formed with 5 designates a collapsible tube of the usuala longitudinal grooved portion 24 and the type having an end closure 6 secured to one side wall 24" being formed withasimilar end thereof and a circular head 7 formed portion 25. The grooved portion 24 slid- 8 in the op osite end and provided with .a' ably engages the grooved portion 24" and the centrally ocatedorifice 8. The head 7 is grooved portion 25 slidably engages the preferably tapered in'the usual manner and grooved portion 25 formed in the guide 23 is provided with an integral guide 9. The which is integral with the collapsible tube guide 9 is preferably formed with grooves 5' which is formed with the usual orifice 8. 10 and 11 on the opposite sides thereof, Having described my invention, I claim: which sides are disposed in parallel lines In combination, a paste'holding collapsito each other and the upper surface'of the ble tube having a neck provided with an guide is disposed in parallel lines to the opening and an integral guide extending '40 side faces of the guide. The orifice 8 ex- Irom the opening and provided with par- 9 tends through the guide, and across the oriallel 'side faces having external grooves fice the closure member 12 is designed to therein, and also provided with a flatend slide. face, having an external groove providing The closure member 12 is preferably stops, anda sheet metal closure having side 4 provided with retaining flanges or ribs 13 faces and provided with means slidably inand 14 designed to engage the grooves 10 tel-locking with said external grooves first and 11 respectively. The member 12 15 named. the closure having astop to slidahly also provided on its rear end with finger fit in the groove of the end face and engage 5 of the o eration of the device] In order to cuttin action on any ejected contents of retain the member 12 for limited sliding the in e. i i

movement upon the' guide, a slot 17 is Signed by me at Holyoke, Mass.

formed in one or both sides of the guide 5 and through this slot a retaining pi 13 W4- EARL .CQ VAN VA-LKENBURG, v

formed from sheet or strip metal and is flanges slidably engaging the parallel side coils and lugs 15 and 16 designed to permit the stops thereof, the closure having a knife 

